An ideal tool for those with reading and visual processing difficulties. Brightens any written word. Each set includes 4 bright plastic strips that can be placed over any written material and used over and over again. Static electricity holds the strips against most types of paper, making them useful for typing, phonebooks, cookbooks, computer printouts, etc. All strips are 1-1/2" high, lengths include 10.5", 8", 6.5", and 5".